#include<stdio.h>
int main()
{
    int t1,t2,t3,t4,min_warn,max_differ;
    scanf("%d %d %d %d %d %d", &t1, &t2, &t3, &t4, &min_warn, &max_differ);
    int max_t = (((t1 > t2 ? t1 : t2) > t3 ? (t1 > t2 ? t1 : t2) : t3) > t4 ? ((t1 > t2 ? t1 : t2) > t3 ? (t1 > t2 ? t1 : t2) : t3) : t4);
    int flag[4] = {0};
    if (((max_t - t1) <= max_differ) && (t1 >= min_warn))
    {
        flag[0] = 1;
    }
    if (((max_t - t2) <= max_differ) && (t2 >= min_warn))
    {
        flag[1] = 1;
    }
    if (((max_t - t3) <= max_differ) && (t3 >= min_warn))
    {
        flag[2] = 1;
    }
    if (((max_t - t4) <= max_differ) && (t4 >= min_warn))
    {
        flag[3] = 1;
    }
    int i = 0;
    int sum = 0;
    for (i = 0; i < 4; i++)
    {
        sum += flag[i];
    }
    if (sum == 4)
    {
        printf("Normal");
    }
    else if (sum < 3)
    {
        printf("Warning: please check all the tires!");
    }
    else
    {
        for (i = 0; i < 4; i++)
        {
            if (flag[i] == 0)
            {
                break;
            }
        }
        printf("Warning: please check #%d!", i + 1);
    }
    return 0;
}